start with your ignition check your plugs and wires then your disributor or coils if that's not it try your fuel system like the filter or the fuel pump
No
it will spit and sputter or miss or just not have no power at all very sluggish
because itt needs to be work on
A sparkplug misfiring.
Most common cause would be the plus wires. Dampness causes them to arc and the cylinder that the wire is arcing on won't fire causing a miss/sputter.
ice in the fuel system
Because when you go uphill or put "load on the car" this is when the car will miss under load & "not miss" when you ease up on the gas as you are not stressing the engine. As to why this happens can be many thibgs - spark plugs, ignition coil bad or bad plug wires & many more to many to list here
There are a number of reasons why a car would idle find but sputter when you accelerate. It could need a new spark plugs. You may also have to replace the filters. It might also be an issue with the air flow.
There could be several reasons why a car would sputter and shut off. The car might be out of gas, dead battery, bad starter, alternator problems or other issues. It is best to have it checked out by a licensed mechanic.
A car could sputter in the rain if the car needs new seals. There could also be a spark plug or wire that needs to be replaced.
bad fuel bad spark plugs incorrect timing
FUEL PUMP IS YOUR PROBLEM {why do you think its the fuel pump?}